BMW Battery Replacement - How to Do it Yourself
If your BMW key fob isn't responding to your locks and unlock buttons or has stopped working completely it may need a new battery. It's easy to replace the battery yourself.
You simply need to locate the access port hidden inside the valet key, then remove it, and replace the battery with a fresh one. You must then register the new battery.
How to replace a battery
A car battery is the most crucial element of a car and will have to be replaced at least once in the life of a driver. It's not difficult to replace the BMW battery on your own and you can even save money. Knowing the amount of work required to replace a battery is the key to success with your DIY project.
The first step is to identify the type of battery your BMW uses. There are three types each with its own pros and cons when being used. Lead-acid batteries are the most well-known, as they contain sulfuric and lead. It produces electricity through an chemical reaction, and it recharges itself when you use your BMW. Other types of batteries in BMWs include Gel or Absorbent Glass Mat. These batteries perform the same way but require different installation and handling.
Once you've got a good idea of the battery your BMW is using then it's time to replace the battery that was in use. Many auto parts stores have a system that matches the BMW model and include the correct battery. This can help you save time. You may also want to look in your owner's manual which will likely list the battery type that is required for your particular model.
To replace the battery on the BMW key fob, turn off your vehicle and remove the blade made of metal from the valet key, or a flat screwdriver to reach the lock cylinder. Remove the liner from the fob and locate the battery. After removing the batteries clean the terminal connectors then carefully reinstall them. Be careful not to tighten the brackets too much and this could cause cracks in the battery case. Connect the positive terminal first, before the negative terminal. Then, connect the upholstery to its normal position.
It's recommended to register your new battery. This will allow the engine control module, also referred to as the DME, know that you have an updated battery and it won't get confused about which one to charge. It will also reset the battery age statistics which can help to avoid charging too much for your new BMW battery in Smyrna or Alpharetta.
How do you replace the CR2032 Battery
It's frustrating to have a dead key fob, but replacing the battery is simple. It takes only some minutes and can be done right at home.
The key fobs in BMW automobiles use CR2032 batteries that are a standard watch battery. They're a little more expensive than other kinds of batteries, however you can easily find them at any convenience retailer or parts store. You can replace the battery by taking off the old one and replacing it with the new one. Then you can place the fob back on. It's a simple process and you'll be able start your vehicle again in the blink of an eye.
A dead battery is likely to be the reason for your BMW key fob not functioning while you're driving around Johns Creek. Fortunately, it's easy to fix!
Press the small tab located on the left side of the BMW key fob in order to release the valet key. There will be a small port close to the battery once the key fob has been opened. You can make use of a flat screwdriver, or similar tool to open the cover of the battery, and then replace it with a brand new one.
If you're in search of an all-new BMW or a pre-owned car in the vicinity of Decatur Make sure to look through our inventory at Tulley BMW Nashua. If you have any concerns about our vehicles, don't hesitate to contact us now. We're looking forward to helping you find the perfect car for your needs!
How to Replace the CR2450 Battery
The BMW key fob is a convenient device that provides security and convenience with the touch of a button. As time passes the battery in your BMW key fob may be damaged, and need to be replaced for it to work correctly. Knowing how to replace the BMW key fob battery can help you get back on the road swiftly and easily.
While there are several different kinds of BMW key fobs most use the same battery type that is a CR2450 or CR2032 coin cell. This small, round battery can be typically found in a majority of stores and is available for less than a dollar per unit. CR2450 batteries are easily installed and removed from the key fob.
To replace the CR2450 battery in your BMW first, locate the tab on the key fob which opens the metal valet key inside the fob. After the metal valet key is removed, look for a small access port on the front of the fob that conceals the key battery cover. Utilizing a flat screwdriver remove the cover to expose the battery. After the old battery has been removed, replace it with a brand new one with the positive side facing upwards and then reassemble the key fob.
Test the key fob after the battery has been replaced to ensure it is still working properly. If the key fob still does not respond, contact your BMW dealer for further assistance. The older BMW models might require the key fob as well as the vehicle to be re-synchronized following a change in the battery, but this is not the norm for BMWs produced in recent years.
It is possible to replace the battery in an old BMW key fob, by opening the case and soldering a new one in. However, this method should not be attempted because it could harm the internal circuitry. Instead, Tulley BMW of Nashua suggests following the steps in this guide to change the CR2450 battery on the majority of BMW key fobs. This simple task can be completed in a matter of minutes and can help you get back on the road quicker.
How do I replace a CR2032 Side Indent Battery
The CR2032 side indent battery on the BMW series 1 key fob (and some other models) is simple to replace. The battery looks like a penny, and is easy to insert into the slot. Simply use your fingers to take out the old battery, and then replace it with a brand new one, making sure that it match the opposite polarity. You can find replacement batteries at many auto parts stores and online.
The process differs slightly in the event that your BMW includes an "diamond key fob". You can't replace the CR2016 battery as it is different from a CR2032, CR2025 or a CR2032. You can test whether it functions by shimming the CR2016 with some aluminum foil that is conductive. If it doesn't work, you'll need to check here cut off the plastic fob to expose the battery. Then, you can solder to a new battery.
The small access port on the majority of BMW key fobs can be opened using the edge of a different key's metal blade or a screwdriver with a flat head. If you don't have a metal blade or a flat screwdriver, you can use the tip of a pencil. Once you have removed the cover, you can see the CR2032 battery inside.
It is important to remember that the CR2032 side indent battery wasn't intended to be serviced, and it's impossible to open the case. The battery can be recharged, and will charge when you insert the ignition key.
It's important to have a backup key in case you break your fob or lose it somewhere. If you need assistance programming your BMW remote or replacing batteries that are dead, call us at Tulley BMW of Nashua. We have a team of dedicated experts who can help you with any questions or concerns. We look forward having a conversation with you!